<script setup>
import {getCategoryFilterAPI,getSubCategoryAPI} from '@/apis/category'
import { onMounted, ref } from 'vue'
import { useRoute } from 'vue-router'
import GoodsItem from '../Home/components/GoodsItem.vue'

const categoryData = ref([])
const route = useRoute()
const goodsList = ref([])
const disabled = ref(false)
//获取面包屑导航数据
const getCategoryData = async () => {
    const {result} = await getCategoryFilterAPI(route.params.id)
    categoryData.value = result
}

//列表渲染
const reqdata = ref({
    categoryId: route.params.id,
    page: 1,
    pageSize: 20,
    sortField:'orderNum'
})
const getSubCategoreListData = async () => {
    const res = await getSubCategoryAPI(reqdata.value)
    goodsList.value = res.result.items
    
}
onMounted(() => {
    getCategoryData()
    getSubCategoreListData()
})

//tab标签改变时
const tabchange = ()=> {
    // console.log(reqdata.value.sortField);
    reqdata.value.page = 1
    getSubCategoreListData()
}

//无限加载
const load = async () => {
    reqdata.value.page++
    const res = await getSubCategoryAPI(reqdata.value)
    goodsList.value = [...goodsList.value,...res.result.items]

    if(res.result.items.length===0){disabled.value = true}
}

</script>

<template>
  <div class="container ">
    <!-- 面包屑 -->
    <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item :to="{ path: `/category/${categoryData.parentId}` }">{{categoryData.parentName}}
        </el-breadcrumb-item>
        <el-breadcrumb-item>{{categoryData.name}}</el-breadcrumb-item>
      </el-breadcrumb>
    </div>
    <div class="sub-container">
      <el-tabs v-model="reqdata.sortField" @tab-change="tabchange">
        <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
        <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
        <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
      </el-tabs>
      <div class="body" v-infinite-scroll="load"  :infinite-scroll-disabled="disabled">
         <!-- 商品列表-->
         <GoodsItem v-for="goods in goodsList" :goods="goods" :key="goods.id"/>
      </div>
    </div>
  </div>

</template>



<style lang="scss" scoped>
.bread-container {
  padding: 25px 0;
  color: #666;
}

.sub-container {
  padding: 20px 10px;
  background-color: #fff;

  .body {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }

  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;

    img {
      width: 160px;
      height: 160px;
    }

    p {
      padding-top: 10px;
    }

    .name {
      font-size: 16px;
    }

    .desc {
      color: #999;
      height: 29px;
    }

    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }

  .pagination-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }


}
</style>